High Resolution Bluetooth MP3 Player, DSD DAC, Portable Digital Audio Music Player with 8GB for Diving Surf Underwater Sports Running

1 Plan: Action
2 Support system: Windows/OS MAC system (genuine) WIN7, WIN10
3 Frequency response: HZ 30HZ-20K
4 Working temperature: 0～+50,
5 Power format: built-in rechargeable lithium battery
6 Playing time: about 4-6 hours after listening to the music
7 supported formats: WMA, MP3 music format
8 Function: Waterproof music earphone
9 Playing time: continuous listening to music for 5-8 hours
10 Long charging time: about 2 hours (not more than 3 hours)
11 Charging voltage: 5V
12 Charging current: 500 mA
13 Capacity: 8GB
14 waterproof grade: international protection grade IPX8
15 Host material/size: ABS/4.4*2.9*1.4cm